98667760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{467}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 243734400

約数和(自身を除く): 145066640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 139, 152, 190, 278, 304, 380, 467, 556, 695, 760, 934, 1112, 1390, 1520, 1868, 2224, 2335, 2641, 2780, 3736, 4670, 5282, 5560, 7472, 8873, 9340, 10564, 11120, 13205, 17746, 18680, 21128, 26410, 35492, 37360, 42256, 44365, 52820, 64913, 70984, 88730, 105640, 129826, 141968, 177460, 211280, 259652, 324565, 354920, 519304, 649130, 709840, 1038608, 1233347, 1298260, 2466694, 2596520, 4933388, 5193040, 6166735, 9866776, 12333470, 19733552, 24666940, 49333880, 98667760]

約数ペア:

[(1, 98667760), (2, 49333880), (4, 24666940), (5, 19733552), (8, 12333470), (10, 9866776), (16, 6166735), (19, 5193040), (20, 4933388), (38, 2596520), (40, 2466694), (76, 1298260), (80, 1233347), (95, 1038608), (139, 709840), (152, 649130), (190, 519304), (278, 354920), (304, 324565), (380, 259652), (467, 211280), (556, 177460), (695, 141968), (760, 129826), (934, 105640), (1112, 88730), (1390, 70984), (1520, 64913), (1868, 52820), (2224, 44365), (2335, 42256), (2641, 37360), (2780, 35492), (3736, 26410), (4670, 21128), (5282, 18680), (5560, 17746), (7472, 13205), (8873, 11120), (9340, 10564)]